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TEA1721 rectifier diode failure

Question asked by Dusan Benko on Jul 13, 2017
Latest reply on Oct 27, 2017 by Tenm Kiej

TEA1721DT/N1 is being used to convert 230Vac to 14Vdc


It happened many times that D1 diode burns then L4 and finally F1.

TEA1721 itself was never damaged. We notice that C4 capacitor was inflated.

Is the CLC filter dimesoned properly?